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我第一眼看这题也感觉是插头DP,但是,20*20的格子不会状态太多吗?In Reply To:AC了,基于连通性状压dp搞的 Posted by:JiaJunpeng at 2014-03-11 21:59:44 > 一行有20个格子,直接dp肯定挂,注意T<=20 可以推断出行和列的最大间距的最小值min(max(row),max(col))==5,于是对行和列分别做一次dp, 限制间距不超过5就行了 > > 一行状态最多 598,不算上T 的话 > > 不过这个方法有点慢了,虽然没有做优化。。。。 Followed by: Post your reply here: |
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